# CVE-2019-12257: Memory corruption in n/a

> Heap overflow in VxWorks DHCP client allows remote attackers to execute arbitrary code or cause denial of service via crafted DHCP packets.

- **Severity:** High 8.8 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Aug 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-qhhx-3278-fj99

## What is CVE-2019-12257?

CVE-2019-12257 is a high-severity memory corruption vulnerability in Netapp E-Series Santricity Os Controller, published on 9 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. There is an IPNET security vulnerability: Heap overflow in DHCP Offer/ACK parsing inside ipdhcpc.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2019-12257?

It affects 10 products.


Products: Belden Garrettcom Magnum Dx940e Firmware, Belden Hirschmann Hios, Netapp E-Series Santricity Os Controller, Siemens Ruggedcom Win7000 Firmware, Siemens Ruggedcom Win7018 Firmware, Siemens Ruggedcom Win7025 Firmware, Siemens Ruggedcom Win7200 Firmware, Siemens Siprotec 5 Firmware, Sonicwall Sonicos, Windriver Vxworks.

## How do I fix CVE-2019-12257?

No fix has been published for CVE-2019-12257 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-12257 being exploited?

There is no known exploitation of CVE-2019-12257 in the wild and no public exploit code.

## Other vulnerabilities in Netapp E-Series Santricity Os Controller

- [CVE-2019-12262](https://insights.sbomify.com/CVE-2019-12262/): Missing authorization in n/a (critical 9.8)
- [CVE-2019-12255](https://insights.sbomify.com/CVE-2019-12255/): Integer overflow in n/a (critical 9.8)
- [CVE-2019-12256](https://insights.sbomify.com/CVE-2019-12256/): Memory corruption in n/a (critical 9.8)
- [CVE-2019-12260](https://insights.sbomify.com/CVE-2019-12260/): Memory corruption in n/a (critical 9.8)
- [CVE-2019-12261](https://insights.sbomify.com/CVE-2019-12261/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-12257 and fix it if it is affected.

What it is: CVE-2019-12257 is a high-severity memory corruption vulnerability in Netapp E-Series Santricity Os Controller, published on 9 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-12257 in the wild and no public exploit code.

Affected product: Netapp E-Series Santricity Os Controller. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-12257/ (Markdown: https://insights.sbomify.com/CVE-2019-12257/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-12257
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-12257
- OSV: https://osv.dev/vulnerability/CVE-2019-12257

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-12257/
Summaries are generated and may contain mistakes; the official description above is the record.